Base | Representation |
---|---|
bin | 10010101110010100… |
… | …010111010110101000 |
3 | 1220220010001112112021 |
4 | 102232110113112220 |
5 | 312133214141204 |
6 | 13122535554224 |
7 | 1311130643221 |
oct | 225624272650 |
9 | 56803045467 |
10 | 20104443304 |
11 | 8587485900 |
12 | 3a90b2b974 |
13 | 1b852159ca |
14 | d8a112248 |
15 | 7c9eec154 |
hex | 4ae5175a8 |
20104443304 has 96 divisors (see below), whose sum is σ = 43965187560. Its totient is φ = 8582492160.
The previous prime is 20104443301. The next prime is 20104443329. The reversal of 20104443304 is 40334440102.
It can be written as a sum of positive squares in 4 ways, for example, as 15675540804 + 4428902500 = 125202^2 + 66550^2 .
It is not an unprimeable number, because it can be changed into a prime (20104443301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10086532 + ... + 10088524.
Almost surely, 220104443304 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20104443304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21982593780).
20104443304 is an abundant number, since it is smaller than the sum of its proper divisors (23860744256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20104443304 is a wasteful number, since it uses less digits than its factorization.
20104443304 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2651 (or 2636 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 25.
Adding to 20104443304 its reverse (40334440102), we get a palindrome (60438883406).
The spelling of 20104443304 in words is "twenty billion, one hundred four million, four hundred forty-three thousand, three hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •